Raphionacme

Geophyte with aerial stems seasonal, climbing, erect or decumbent; root tuber napiform to cylindrical-ovoid; subterranean stems perennial. Leaves petiolate, lamina linear to ovate to broadly ovate or elliptic to obovate, herbaceous, glabrous or variously hairy, base rounded to cuneate, apex obtuse, rounded or acute to acuminate. Inflorescences racemose to capitulate, terminal and/or axillary, few- to many-flowered. Flowers with gynostegium exserted from corolla. Sepals glabrous to hairy. Corolla green, brown, white, yellow, pink, violet to blue; tube cylindrical to campanulate, with nectariferous swellings on inner face below filament bases, longitudinally channelled with pockets at base; lobes ovate to obovate to triangular, apex obtuse to rounded. Corona arising in corolla mouth, lobes free, entire, bifid, trifid or trisegmented and variously shaped, e.g. filiform, ovate, lobular and corniculate; colours as in corolla. Stamens arising at mouth of corolla tube and adnate to bases of corona lobes; filaments filiform, sometimes dilated at base; anthers 4-locular, hastate, triangular or ovate, glabrous. Styles long, fused from low down, often glandular. Style head pentangularly ovoid, apex obtuse. Follicles paired and widely diverging or solitary and erect, narrowly ovoid to linear-ovoid or obovoid with acuminate apices. Seeds narrowly subovoid, with tuft or ring of hairs.